A study has shown that medical students give anal exams, rectal exams and breast exams to patients while they are unconscious during surgery. (I know I have covered this basic topic before).
Basically if a person is having a surgery, the doctors will bring in medical students and let them practice unrelated exams to give them practice. This is all done without the consent of the patient. Here is the link: Link
Does it bother you that medical students are giving you a rectal exam when you are having surgery on your arm?